TWI449491B - Detent device of a cover - Google Patents

Description

Support device for the lid

The present invention relates to a support device, and more particularly to a support device for a flip cover.

Generally, a small electronic device having a flip cover has a mechanism for fixing the flip cover at a specific angle in the design of the flip cover for convenient use. Take the barcode printer as an example. Before using the barcode printer, you need to flip the lid to an angle before you can put the paper roll into the base and lift the lid to print. To achieve this, a hinge structure for attaching to the flip cover and the base is provided to rotate the flip cover relative to the base to the open or closed position. Moreover, when the cover is in the open position, in order to reduce the inconvenience of the user's operation, for example, it is necessary to vacate a hand to hold the cover and cannot smoothly insert the paper roll, and the hinge structure needs to be fixed to the cover. The function to turn on the location. In addition, the angle at which each user is accustomed to flipping the lid may be different, and in response to the diverse needs, there is a hub structure on the market that allows the lid to stay in a plurality of open positions.

For example, Taiwan Patent No. M388820 discloses a hinge kit and a flip cover device having the hinge kit. Please refer to FIG. 1. FIG. 1 is an exploded view of a hinge of the Taiwanese M388820 patent.

The hinge 1 includes a pivot 11, a base frame 12, a first press block 13, a second press block 14, a spring pack 15, a fixing member 16, and a lid holder 17.

The pivot shaft 11 has a fixing portion 11a and a threaded portion 11b. The base frame 12 has a sleeve hole 12a and two fitting recesses 12b. The first pressing block 13 has a shaft hole 13a and two fitting convex portions 13b. The second pressure block 14 has a perforation 14a. The shrapnel group 15 is composed of a plurality of shrapnel pieces. The lid holder 17 has a hole 17a.

Next, the assembly sequence of the hinge 1 will be described. The lid holder 17 is fixed to the upper lid, and the hole 17a of the lid holder 17 is coupled to the fixing portion 11a of the pivot shaft 11. The base frame 12 is fixed to the base and is pivotally sleeved on the pivot shaft 11 by the sleeve hole 12a. The first pressing block 13 is pivotally sleeved on the pivot shaft 11 by the shaft hole 13a, and the two fitting convex portions 13b of the first pressing block 13 are respectively embedded in the two fitting recess portions 12b of the base bracket 12. The second pressing block 14 is sleeved on the pivot shaft 11 by the through hole 14a, wherein the first pressing block 13 and the second pressing block 14 are respectively formed with the corresponding concave portions and convex portions on the opposite sides, so that the second pressing block When the first pressing block 13 is rotated in one direction with respect to the first pressing block 13, the distance between the two can be distant from each other. The shrapnel group 15 is also sleeved on the pivot 11 and is in contact with the second pressing block 14. The fixing member 16 is fixed to one end of the pivot shaft 11 in combination with the threaded portion 11b of the pivot shaft 11 to prevent any element that is sleeved on the pivot shaft 11 from coming off.

When the upper cover is in a closed state, the second pressing block 14 abuts against the first pressing block 13, and the elastic piece group 15 is not pressed by the second pressing block 14.

When the upper cover is rotated away from the base to a fixed angle, the second pressing block 14 is pressed away from the first pressing block 13 and pressed against the elastic piece group 15, so that a frictional force is generated between the second pressing block 14 and the elastic piece group 15, so that when the user puts the upper cover When flipped to any fixed angle, the upper cover will be positioned by friction.

The most important problem of the hinge disclosed in the aforementioned Taiwanese M388820 patent is that the hinge 1 has a complicated structure and is inconvenient to assemble, and any component damage causes the hinge 1 to lose its positioning function, which will cause the hinge 1 to malfunction. The risk is increased and the difficulty of maintenance is increased. There is therefore a need for an improved hub to overcome the problems of conventional hubs.

The main object of the present invention is to provide a support device having a simple structure.

Another main object of the present invention is to provide a support device for a flip cover for connecting a cover and a base to rotate the cover relative to the base, including: the cover, disposed above the base, including a a notch having a friction edge; a support piece disposed on the base corresponding to the position of the notch, the support piece comprising a curved edge, a first support edge and an elongated groove disposed on the support piece and close to Where the curved edge extends from one end of the curved edge and is coupled to the base such that the support piece is secured to the base; and wherein, when the cover is in a closed state, the The support piece passes through the notch of the cover to cover the cover, and when the cover is rotated to a support angle relative to the base, the friction edge of the notch is pressed against the curved edge of the support piece And moving the curved edge toward the elongated groove to cause the flip to stay at the support angle.

In a preferred embodiment, the support sheet is malleable.

In a preferred embodiment, the support piece further includes a second support edge and a shaft hole, wherein the second support edge extends from the other end of the curved edge, and the shaft hole is located at the first support edge At the intersection of the second support edge, the cover further includes a pivot, the pivot is located adjacent to the notch of the cover and pivotally connected to the shaft hole of the support piece, so that the cover is opposite Rotate on the base.

In a preferred embodiment, the support piece further comprises a lateral stud, the lateral stud is located at the intersection of the curved edge and the second supporting edge, and the inside of the notch further comprises a a lateral slope, when the cover is rotated relative to the base to the support angle, the lateral protrusion of the support piece is pushed against the lateral slope of the cover to move toward the outer side of the cover to assist The flip cover is supported at the support angle.

In a preferred embodiment, wherein the friction edge of the notch of the cover is not pressed against the curved edge of the support piece when the cover is rotated to an unsupported angle relative to the base, the cover is Not supported by the support piece.

In a preferred embodiment, the curved edge of the support piece further has at least one protrusion to provide a sense of passage when the cover is rotated.

According to a first embodiment and a second embodiment of the present invention, a support device for a flip cover is provided for connecting a flip cover and a base to rotate the flip cover relative to the base and to stay in a plurality of positions.

Please refer to FIG. 2 and FIG. 3 simultaneously. FIG. 2 is an exploded view showing a first angle of the supporting device of the clamshell cover according to the first embodiment of the present invention, and FIG. 3 is a view showing the supporting device of the clamshell cover according to the first embodiment of the present invention. The exploded view of the second angle.

As shown in FIGS. 2 and 3, the support device 2 of the flip cover includes a flip cover 21, a support piece 22, and a base 23.

The cover 21 includes a notch 211 and a pivot 212. The notch 211 has a friction edge 211a and a lateral slope 211b. The lateral slope 211b is located at a side wall of the inside of the notch 211, and the pivot 212 is disposed adjacent to the notch 211. The support piece 22 includes a curved edge 221, a first support edge 222, a second support edge 223, a shaft hole 224, an elongated groove 225, and a lateral protrusion 226, wherein the first support edge 222 extends from one end of the curved edge 221, The second support edge 223 extends from the other end of the curved edge 221, the shaft hole 224 is located at the intersection of the first support edge 222 and the second support edge 223, and the elongated groove 225 is opened on the support piece 22 near the curved edge 221 The lateral stud 226 is located at the intersection of the curved edge 221 and the second support edge 223. In addition, the support sheet 22 is malleable.

Next, the assembly procedure of the support device for the flip cover according to the first embodiment of the present invention will be described. Please refer to FIG. 2 and FIG. 3 again. The first support edge 222 of the support piece 22 is coupled to the base 23 such that the support piece 22 is fixed to the base 23. The cover 21 is disposed above the base 23, and the pivot 212 of the cover 21 is pivotally connected to the shaft hole 224 of the support piece 22 to rotate the cover 21 relative to the base 23, and the notch 211 of the cover 21 faces the support piece 22 The support piece 22 is allowed to pass through the notch 211 when the flip cover 21 is rotated.

Next, the operation flow of the supporting device of the clamshell cover according to the first embodiment of the present invention will be described. Referring to FIG. 4 to FIG. 6 simultaneously, FIG. 4 shows the cover of the supporting device of the clamshell cover according to the first embodiment of the present invention being closed. FIG. 5 is a perspective view showing the cover of the cover device of the first embodiment of the present invention at a first support angle, and FIG. 6 is a view showing the support device of the cover of the first embodiment of the present invention. A perspective view of the cover at a second support angle.

When the flip cover 21 is in the closed state, the flip cover 21 covers the base 23, at which time the support piece 22 passes through the notch 211 of the flip cover 21. When the user flips the flip cover 21 to the first support angle, as shown in FIG. 5, the friction edge 211a of the notch 211 is pressed against the curved edge 221 of the support piece 22, so that the curved edge 221 moves toward the elongated groove 225, The elastic restoring force of the curved edge 221 causes an interference phenomenon between the curved edge 221 and the friction edge 211a, thereby providing a frictional force so that the flip cover 21 is fixed to the first support angle. If the user continues to flip the flip cover 21 to the second support angle, as shown in FIG. 6, the frictional force generated between the curved edge 221 and the friction edge 211a pressed by the friction edge 211a can also cause the flip cover 21 to stay at the same position. Two support angles. That is, as long as the cover 21 is opened, the friction edge 211a of the notch 211 can be pressed against the curved edge 221 of the support piece 22, and the cover 21 can be supported and fixed by the support piece 22.

When the flip cover 21 is rotated relative to the base 23 to any support angle, such as the first support angle and the second support angle of FIGS. 5 and 6, the lateral projection 226 of the support piece 22 is received by the inside of the notch 211 of the cover 21 The lateral inclined surface 211b is pushed against the outside of the cover 21, and the restoring force of the support piece 22 causes interference between the lateral protrusion 226 and the lateral slope 211b, thereby generating another friction force to assist the cover. 21 is more stable and fixed at any support angle.

In this embodiment, the distance between the support point x (as shown in FIG. 6) and the curved edge 221 between the first support edge 222 and the shaft hole 224 is smaller than the curved edge 221 between the support point x and the second support edge 223. The distance of the shaft hole 224. Therefore, when the flip cover 21 is rotated relative to the base 23 to any unsupported angle between the support point x and the closed state, the friction edge 211a of the notch 211 of the flip cover 21 cannot be pressed against the curved edge 221 of the support piece 22, and the cover 21 is It cannot be supported and fixed by the support piece 22.

Next, a supporting device for a clamshell cover according to a second embodiment of the present invention will be described. Please refer to FIG. 7 and FIG. 8 at the same time. FIG. 7 is a view showing a first angle of the supporting device of the clamshell cover according to the second embodiment of the present invention. Exploded view, Fig. 8 is an exploded view showing a second angle of the support device of the flip cover of the second embodiment of the present invention.

As shown in Figs. 7 and 8, the support device 2' of the flip cover includes a flip cover 21', a support piece 22', and a base 23'.

The cover 21' includes a notch 211' and a pivot 212'. The notch 211' has a friction edge 211a' and a lateral slope 211b', wherein the lateral slope 211b' is located on the side wall of the notch 211', and the pivot 212' is disposed Near the gap 211' of the lid 21'. The support piece 22' includes a curved edge 221', a first support edge 222', a second support edge 223', a shaft hole 224', an elongated groove 225', a lateral protrusion 226', and a protrusion 227', wherein A support edge 222' extends from one end of the curved edge 221', and a second support edge 223' extends from the other end of the curved edge 221'. The shaft hole 224' is located at the first support edge 222' and the second support edge 223'. At the junction, the elongated groove 225' is formed on the support piece 22' near the curved edge 221', and the lateral protrusion 226' is located at the intersection of the curved edge 221' and the second support edge 223', the protrusion 227' It is then located on the curved edge 221'. Further, the support piece 22' has a resilience.

The assembly sequence and operation flow of the support device for the clamshell cover of the second embodiment of the present invention are the same as those of the first embodiment, and details are not described herein again.

The support device 2' of the clamshell cover of the second embodiment differs from the support device 2 of the clamshell cover of the first embodiment in that the distance from the curved edge 221' of the support piece 22' to the shaft hole 224' is constant.

As shown in FIG. 9, FIG. 9 is a perspective view showing the cover of the support device of the clamshell cover of the second embodiment of the present invention at a first support angle. Since the distance from the curved edge 221' of the support piece 22' to the shaft hole 224' is constant, the friction edge 211a' of the notch 211' can be pressed against the bending of the support piece 22' when the cover 21' is opened to any angle. The edge 221' moves the curved edge 221' toward the elongated groove 225', thereby providing a frictional force to the lid 21', allowing the lid 21' to stay at any angle.

Next, a supporting device for a clamshell cover according to a third embodiment of the present invention will be described. Please refer to FIG. 10 and FIG. 11 at the same time. FIG. 10 is a view showing a first angle of the supporting device of the clamshell cover according to the third embodiment of the present invention. Exploded view, Fig. 11 is an exploded view showing the second angle of the support device of the clamshell cover of the third embodiment of the present invention.

As shown in FIGS. 10 and 11, the support device 3 of the flip cover includes a flip cover 31, a support piece 32, and a base 33.

The cover 31 includes a notch 311 and a pivot 312. The notch 311 has a friction edge 311a and a lateral slope 311b. The lateral slope 311b is located on the inner side of the notch 311, and the pivot 312 is disposed adjacent to the notch 311 of the cover 31. At the office. The support piece 32 includes a curved edge 321 , a first support edge 322 , a second support edge 323 , a shaft hole 324 , an elongated groove 325 , a lateral protrusion 326 , and a protrusion 327 , wherein the first support edge 322 extends from the curved edge One end of the 321 , the second supporting edge 323 extends from the other end of the curved edge 321 , the shaft hole 324 is located at the intersection of the first supporting edge 322 and the second supporting edge 323 , and the elongated groove 325 is opened on the supporting piece 32 Where the edge 321 is curved, the lateral stud 326 is located at the intersection of the curved edge 321 and the second support edge 323, and the bump 327 is located on the curved edge 321 . Further, the support piece 32 has a resilience.

The assembly sequence and operation flow of the supporting device of the clamshell cover according to the third embodiment of the present invention are the same as those of the first embodiment, and details are not described herein again.

The support device 3 of the clamshell cover of the third embodiment differs from the support device 2 of the clamshell cover of the first embodiment in that the curved edge 321 of the support piece 32 has a projection 327.

When the user rotates the flip cover 31, a large force is required to press the friction edge 311a against the bump 327, so that the user can clearly feel the flap 31 passing through the bump 327, thereby increasing the use time. The sense of passage.

In other embodiments, a plurality of bumps 327 may also be provided to allow the user to explicitly perceive that one of the angles has been switched to another angle.

Please note that although the above embodiments are provided with a notch on one side of the cover and a support piece on one side of the base, when the cover is provided with a gap on both sides and the support piece is disposed on both sides of the base, the support piece can also be supported and fixed on the cover. Plural position.

It can be seen from the above embodiments that the present invention can be fixed at a plurality of support angles with respect to the base by a cover having a notched edge and a support piece having a curved edge and an elongated groove.

As described above, the present invention only needs to provide a notch on the cover and a support piece on the base to achieve the purpose of fixing the cover at any angle. The structure is simple and can be easily applied to various machines, and only needs to be replaced during maintenance. The support piece can be replaced by the user, which not only avoids the user waiting for the maintenance to be completed, but also delays the work flow and prolongs the service life of the machine.

The embodiments described above are merely illustrative of the technical spirit and characteristics of the present invention, and the purpose of the present invention is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention. That is, the equivalent variations or modifications made by the spirit of the present invention should still be included in the scope of the present invention.

1. . . Hub

11. . . Pivot

11a. . . Fixed part

11b. . . Thread part

12. . . Base frame

12a. . . Set of holes

12b. . . Two fitting recess

13. . . First compact

13a. . . Shaft hole

13b. . . Two fitting convex

14. . . Second clamp

14a. . . perforation

15. . . Shrapnel group

16. . . Fixed component

17. . . Cover frame

17a. . . Hole

2. . . Support device for the lid

twenty one. . . Cover

211. . . gap

211a. . . Friction edge

211b. . . Lateral slope

212. . . Pivot

twenty two. . . Support piece

221. . . Curved edge

222. . . First support edge

223. . . Second support edge

224. . . Shaft hole

225. . . Long groove

226. . . Lateral stud

twenty three. . . Base

x. . . Support point

2'. . . Support device for the lid

twenty one'. . . Fold cover

211’. . . gap

211a’. . . Friction edge

211b’. . . Lateral slope

212’. . . Pivot

twenty two'. . . Support piece

221’. . . Curved edge

222’. . . First support edge

223’. . . Second support edge

224’. . . Shaft hole

225’. . . Long groove

226’. . . Lateral stud

twenty three'. . . Base

3. . . Support device for the lid

31. . . Cover

311. . . gap

311a. . . Friction edge

311b. . . Lateral slope

312. . . Pivot

32. . . Support piece

321. . . Curved edge

322. . . First support edge

323. . . Second support edge

324. . . Shaft hole

325. . . Long groove

326. . . Lateral stud

327. . . Bump

33. . . Base

Figure 1 is an exploded view of a conventional hinge.

Fig. 2 is an exploded view showing a first angle of a supporting device for a flip cover according to a first embodiment of the present invention.

Figure 3 is an exploded view showing the second angle of the support device of the flip cover of the first embodiment of the present invention.

Fig. 4 is a side view showing the lid of the support device for the lid of the first embodiment of the present invention in a closed state.

Fig. 5 is a perspective view showing the cover of the support device of the clamshell cover of the first embodiment of the present invention at a first support angle.

Fig. 6 is a perspective view showing the cover of the support device of the clamshell cover of the first embodiment of the present invention at a second support angle.

Figure 7 is an exploded view showing the first angle of the support device of the flip cover of the second embodiment of the present invention.

Figure 8 is an exploded view showing the second angle of the supporting device of the flip cover of the second embodiment of the present invention.

Figure 9 is a perspective view showing the cover of the support device of the clamshell cover of the second embodiment of the present invention at a first support angle.

Figure 10 is an exploded view showing a first angle of a support device for a flip cover according to a third embodiment of the present invention.

Figure 11 is an exploded view showing a second angle of the supporting device of the flip cover of the third embodiment of the present invention.

2. . . Support device for the lid

twenty one. . . Cover

211. . . gap

211a. . . Friction edge

211b. . . Lateral slope

212. . . Pivot

twenty two. . . Support piece

221. . . Curved edge

222. . . First support edge

223. . . Second support edge

225. . . Long groove

twenty three. . . Base

Claims (5)

A cover device for connecting a cover and a base to rotate the cover relative to the base, comprising: the cover disposed above the base, comprising a notch, the notch having a friction edge; a support piece is disposed on the base corresponding to the position of the notch, the support piece includes a curved edge, a first support edge and an elongated groove are disposed on the support piece and adjacent to the curved edge, wherein the first a support edge extending from one end of the curved edge and coupled to the base to secure the support piece to the base; and wherein the support piece passes through the cover when the cover is in a closed state Notching the cover to cover the base, and when the cover is rotated relative to the base to a support angle, the friction edge of the notch presses against the curved edge of the support piece and the curved edge faces the elongated shape The groove is moved to cause the cover to stay at the support angle, and the support piece further includes a second support edge and a shaft hole, wherein the second support edge extends from the other end of the curved edge The shaft hole is located at the intersection of the first support edge and the second support edge, and the cover further includes a pivot shaft located adjacent to the notch of the cover and pivotally connected to the support piece The shaft hole is such that the lid rotates relative to the base. The support device of the clamshell according to claim 1, wherein the support piece has reproducibility. The supporting device of the clamshell of claim 1, wherein the supporting piece further comprises a lateral stud, the lateral stud being located at the intersection of the curved edge and the second supporting edge, the raft The inside of the notch further includes a lateral slope, and when the cover is rotated relative to the base to the support angle, the lateral protrusion of the support piece is pushed by the lateral slope of the cover toward the The outer side of the lid is moved to assist the lid to be supported at the support angle. The support device of the clamshell of claim 1, wherein the friction edge of the notch of the clamshell is not pressed against the support piece when the clamshell is rotated to an unsupported angle relative to the base The curved edge is such that the lid is not supported by the support sheet. The support device of the clamshell of claim 1, wherein the curved edge of the support piece further has at least one protrusion to provide a sense of passage when the clamshell rotates.